CN102650270A

CN102650270A - Rapid mounting method of wind driven generator on sea

Info

Publication number: CN102650270A
Application number: CN2011100482091A
Authority: CN
Inventors: 王武生
Original assignee: Shanghai Qimou Energy Technology Development Co Ltd
Current assignee: Shanghai Qimou Energy Technology Development Co Ltd
Priority date: 2011-02-28
Filing date: 2011-02-28
Publication date: 2012-08-29

Abstract

The invention discloses a rapid mounting method of a wind driven generator on the sea. The method comprises the following steps that: a maritime fixing bracket at the lower part of a mounting base is sleeved on a maritime foundation pile in seawater; fixing bearings are arranged above the maritime fixing bracket; and a rotating shaft is mounted between the two fixing bearings. The middle part of the rotating shaft is fixed with the lower part of a tower rod of the wind driven generator; and the wind driven generator can take the rotating shaft as a supporting point to rotate. One or more than one supporting rod is locked on the part of the tower rod, which is located above the rotating shaft; and the other end of the supporting rod is fixedly arranged on a mounting ship. The supporting rod is pushed on the mounting ship and the tower rod of the wind driven generator takes the rotating shaft as a rotating supporting point to rotate until the tower rod is at a vertical state; after the tower rod is vertical, the wind driven generator is descended; and the bottom of the tower rod is sleeved on the maritime foundation pile and is fixed, so that the wind driven generator is rapidly mounted on the maritime foundation pile. The rapid mounting method of the wind driven generator on the sea is used for wholly and rapidly mounting the wind driven generator on the sea.

Description

The afloat method for rapidly mounting of a kind of wind-driven generator

Technical field

The present invention relates to a kind of wind-driven generator installation method, particularly relate to the afloat method for rapidly mounting of a kind of wind-driven generator.

Technical background

Now in short supply along with the energy need be greatly developed green energy resource, and wherein wind-power electricity generation has also obtained development energetically, and particularly the Oversea wind power generation technical development is rapid.But along with the power of wind-driven generator constantly increases, at sea mounting hardness is also increasing, and mounting technique and Security are also more and more important.Now generally adopt large-scale lift-on and lift-off ship to install, need the lift-on and lift-off ship of a kiloton to install at sea like the wind-driven generator of 3.6 megawatts.In addition, be that the mode that is employed in marine lifting assembling is installed now, when height is across the sea assembled in the air; The poor stability of installing is when particularly installing paddle, because paddle originally can produce rotation under the effect of sea wind; Cause installing very difficulty, can paddle be fractureed even.Though also there is related invention to improve the quality of installing now; As: Patent Office of the People's Republic of China in the disclosure of the Invention of disclosed number of patent application 200910050458.7 denominations of invention of 2009.09.30 " soft landing system for mounting aero-generator at sea " a kind of mounting technique; This invention has solved in the existing technology severe impact and the collision problem between the blower fan and marine basic platform in the marine setting up procedure of high-power wind-driven generator; Receive severe impact or collision and impaired with Fan-free, pull off a soft landing when base plate is combined with marine basic platform.But send out this invention how not solve safety, efficiently with the difficult problem of wind-driven generator in a difficult problem, particularly integral installation of installing in the sea.In order to develop the Oversea wind resource as soon as possible, solve the afloat installation difficult problem of large-scale wind driven generator, how safely, efficiently wind-driven generator particularly is installed.Therefore, be badly in need of a kind of how at sea method of the wind-driven generator of integrated type installation safely and efficiently at present.

Summary of the invention

The objective of the invention is to overcome above-mentioned shortcoming, but provide high, safe and reliable, the workable integrated wind power generator of a kind of efficient afloat method for rapidly mounting.

For this reason, the invention provides the afloat method for rapidly mounting of a kind of wind-driven generator, comprise wind-driven generator, ship, marine foundation pile are installed.Said method is that mounting base is socketed on the marine foundation pile in the seawater; The bottom of said mounting base is marine fixed support.Marine fixed support can socket and is fixed on the marine foundation pile, and marine fixed support is fixed on the marine foundation pile.The top of mounting base is rigid bearing, and the inside of rigid bearing is a running shaft, is rigid bearing above support bracket fastened at sea, and running shaft is installed between two rigid bearings.Wind-driven generator is placed on installs on the ship and be transported to marine pilum place.Said wind-driven generator is made up of tower bar, paddle, motor gearbox.The bottom of the tower bar of the middle part of running shaft and wind-driven generator is fixed, thereby the bottom of wind generator tower bar is locked on the running shaft of mounting base.Like this, wind-driven generator can be that the strong point is rotated with the running shaft; Be positioned at the hoist cable of part locking more than one or one more than the running shaft, perhaps fixing strut more than one or at the tower bar; Hoist cable or strut are fixed on to be installed on the ship; Pulling hoist cable or promotion strut on the ship are being installed; The tower bar will be that the rotation strong point is rotated with the running shaft; Rotate to after the tower bar is in upright state, unclamp the locking point of tower bar on running shaft, wind-driven generator is descended; The bottom of tower bar is socketed on the marine foundation pile and is fixed on the marine foundation pile, thereby with the wind-driven generator quick mounting at sea on the foundation pile.In order to guarantee the soundness of immovable point between tower bar and the running shaft; Be made into the shroud ring shape to the middle part of running shaft; Shroud ring becomes a circular retaining ring with Movable swaddling cloth through screw by the fixed packet sheet; The bottom of tower bar is fixed therein, guarantees in the process that wind-driven generator is erect, can not break away from.

In the afloat method for rapidly mounting of another kind of wind-driven generator provided by the invention, being connected and can stretching between said marine fixed support and the rigid bearing, rigid bearing connects the running shaft of the inside and the tower bar that is fixed on together descends when shrinking.To impact in order preventing in the decline process to produce, to injure marine foundation pile, the up-down of said rigid bearing is through the flexible realization of the hydraulic rod that is connected with marine fixed support, hydraulic rod connection rigid bearing and marine fixed support.Because hydraulic rod can accurately be controlled the decline process, so the hydraulic rod decline mode that the present invention adopted can guarantee the Security of the process of descending, pulls off a soft landing.

In the afloat method for rapidly mounting of another kind of wind-driven generator provided by the invention, said strut is a hydraulic rod, and strut links to each other with the tower bar, links to each other with the installation ship through the ship immovable point is installed through tower bar immovable point; The mode that links to each other connects through hinge.In order to control installation process better, can adopt two struts to promote wind-driven generator.When adopting two hydraulic pressure struts, the upper end of two struts is fixed on the tower bar of wind-driven generator, and the lower end is man type and separately is fixed on the installation ship, can guarantee afloat stability in uphill process like this.When adopting hoist cable pulling wind-driven generator, on the installation ship, suspension rod has been installed, hoist cable is fixed on the top of suspension rod.At reverse in addition fixing hoist cable more than one or on the tower bar, hoist cable keeps the tower bar when lifting, to be in steady state from reverse pulling tower bar; When the hoist cable of employing more than two or two spurs the tower bar, be circular array between the hoist cable.Because when wind-driven generator being installed at sea, can receive the effect of sea wind; If only with one can receive sea wind particularly the side direction sea wind do the time spent, sideways can take place, adopt two to be man type and to install; Form stable triangular structure, thereby guaranteed the Security of installing.Certainly, also can use hoist cable and strut simultaneously.

In the afloat method for rapidly mounting of another kind of wind-driven generator provided by the invention, link to each other through connecting rod with installing between the ship at said mounting base; Connecting rod and mounting base or marine foundation pile and installing connects being connected through hinge between the ship.Because ship is installed at sea can be along with wave be ceaselessly swung, the Placement through hinge had both guaranteed that the distance of installing between ship and the marine foundation pile was relatively stable, ship is installed simultaneously can be swung along with wave, reached the effect of the same anti-storm of big ship with canoe.

In the afloat method for rapidly mounting of another kind of wind-driven generator provided by the invention, in the installation process below wind-driven generator socket reinforcing bracket, said reinforcing bracket links to each other with tower bar reinforced seat, motor gear box bracket and paddle support.Tower bar reinforced seat protection tower bar can not fractureed in the process of erectting; Motor gearbox is born in the protection of motor gear box bracket in the setting process weight alleviates the load-bearing of tower bar in the setting process is installed; The paddle support is used for can not rotating and preventing to fracture in setting process protection paddle.Because the mounting type of present offshore wind generating is to adopt to divide to hang stack mounting, so the tower bar need not bear the weight of wind-driven generator, gear-box and paddle in installation process.But what the present invention adopted is the mode of integral installation, and the effect through reinforcing bracket has alleviated the supporting power of tower bar from level to vertical process, has guaranteed the Security and the reliability of installation process.

The afloat method for rapidly mounting of wind-driven generator provided by the invention is compared with existing method and is had the following advantages:

1. mounting cost is low: the present invention only need on the ship of a little position ton, several hoist cables be installed or push rod just can be accomplished the work of wanting a kiloton lift-on and lift-off ship to accomplish originally, and the manufacturing expense of whole erection ship has only original 1/10th.

2. installation efficiency is high: the installment work of carrying out in the air at height in the past, only need now aboard ship to accomplish, and can shorten the installation time significantly.

3. safe: as to lift danger in the air greatly at height in the past, and can receive blowing of sea wind when particularly paddle being installed and produce rotation; Aboard ship accomplish at present, reduced the danger of installment work, improved Security.

Description of drawings

Accompanying drawing 1 is the schematic representation of the afloat method for rapidly mounting of a kind of wind-driven generator provided by the invention;

Accompanying drawing 2 is schematic cross-sections of the shroud ring in the running shaft of fixed tower bar bottom of the afloat method for rapidly mounting of a kind of wind-driven generator provided by the invention;

Accompanying drawing 3 is reinforced structure schematic representation of the afloat method for rapidly mounting of a kind of wind-driven generator provided by the invention.

Embodiment

With reference to accompanying drawing 1, accompanying drawing 1 is the schematic cross-section of the afloat method for rapidly mounting of a kind of wind-driven generator provided by the invention: ship 2 is installed is positioned at sea 13, wind-driven generator 1 is positioned to be installed on the ship 2, and marine foundation pile 4 is positioned at marine 13.Mounting base 3 is made up of the marine fixed support 14 in bottom and top rigid bearing 6 and the running shaft 7 that is installed in 6 li of rigid bearings, can go up and down between marine fixed support 14 and the top rigid bearing 6.Be socketed on the marine foundation pile 4 marine fixed support 14 also fixing.Running shaft 7 is installed between two rigid bearings 6.Wind-driven generator 1 is placed on installs on the ship 2 and be transported to marine pilum 4 places; Through connecting rod 15 ship 2 will be installed links to each other with marine foundation pile 4; The mode that links to each other connects through hinge, has guaranteed that the distance of installing between ship 2 and the marine foundation pile 4 is relatively stable after continuous.Said wind-driven generator 1 is made up of tower bar 5, paddle 11, motor gearbox 12.The bottom of the tower bar 5 of wind-driven generator 1 is fixed at the middle part of running shaft 7; The bottom of the tower bar 5 of wind-driven generator 1 is locked on the running shaft 7 of mounting base 3.Like this, wind-driven generator 1 can be that the strong point is rotated with running shaft 7; Be positioned at the part of running shaft more than 7 at tower bar 5 and link to each other with strut 9 through tower bar immovable point 8, strut 9 links to each other with installation ship 2 through ship immovable point 10 is installed.Promotion strut 9 on the ship 2 is being installed; Tower bar 5 will serve as that the rotation strong point is rotated with running shaft 7, rotate to after tower bar 5 is in upright state, and rigid bearing 6 is descended with respect to marine fixed support 14; The wind-driven generator 1 that the decline of running shaft 7 drives on it descends simultaneously; The bottom of tower bar 5 is socketed on the marine foundation pile 4 and is fixed on the marine foundation pile 4, unclamps the locking point of tower bar 5 on running shaft 7, thereby with wind-driven generator 1 quick mounting at sea on the foundation pile 4.

Accompanying drawing 2 is schematic cross-sections of the shroud ring in the running shaft of fixed tower bar bottom of the afloat method for rapidly mounting of a kind of wind-driven generator provided by the invention: in order to guarantee the soundness of immovable point between tower bar 5 and the running shaft 7; Be made into shroud ring 20 to the middle part of running shaft 7; Shroud ring 20 is fixed into a circular retaining ring by fixed packet sheet 22 and Movable swaddling cloth 21 through

screw

23,24; The bottom of tower bar 5 is fixed therein, guarantees in the process that wind-driven generator 1 is erect, can not break away from.The two ends of running shaft 7 are separately fixed in the rigid bearing 6.

Accompanying drawing 3 is reinforced structure schematic representation of the afloat method for rapidly mounting of a kind of wind-driven generator provided by the invention: in the installation process below wind-driven generator 1 socket reinforcing bracket 30, said reinforcing bracket 30 links to each other with tower bar reinforced seat 31, motor gear box bracket 32 and paddle support 33,34.Reinforcing bracket 30 is to be made by high-strength materials, the weight that can bear whole wind power generator 1, and protection tower bar 5 can not fractureed in the process of erectting.Tower bar reinforced seat 31 connects tower bar 5 and reinforcing bracket 30.Motor gear box bracket 32 bears the weight of motor gearbox 12 in the setting process, give reinforcing bracket 30 with the weight transmitting of motor gearbox 12, alleviates the load-bearing of tower bar 5 in the setting process is installed.Paddle supporting

frame

33 and 34 is used for can not rotating and preventing to fracture in setting process protection paddle 11.One end of strut 9 links to each other with reinforcing bracket 30 through reinforcing bracket immovable point 35, and the other end links to each other with the installation ship through ship immovable point 10 is installed.Promoting strut 9 can erect wind-driven generator 1.Because the mounting type of present offshore wind generating is to adopt substep lifting combination, so the tower bar need not bear the gross weight of wind-driven generator, gear-box and paddle in installation process.But what the present invention adopted is the integral installation mode, and the effect through reinforcing bracket 30 has alleviated the supporting power of tower bar 5 from level one to vertical process, has guaranteed the Security of installation process.

Above said embodiment be that the present invention will be described, be not that the present invention is limited.The present invention requires design, method and the scope protected, all is documented in claims of the present invention.

Claims

1. the afloat method for rapidly mounting of wind-driven generator comprises wind-driven generator, ship, marine foundation pile are installed, and it is characterized in that: said method is wind-driven generator (1) to be placed on install on the ship (2); Mounting base (3) is socketed on the marine foundation pile (4) of seawater (13) lining; Said wind-driven generator (1) is made up of tower bar (5), paddle (11), motor gearbox (12); The top of said mounting base (3) is rigid bearing (6) and running shaft (7) wherein, and the bottom is marine fixed support (14); Marine fixed support (14) can socket and is fixed on the marine foundation pile (4); At sea fixed support (14) above be rigid bearing (6); Between two rigid bearings (6) running shaft (7); The tower bar (5) of wind-driven generator (1) is pinned at the middle part of running shaft (7), and the bottom of the tower bar (5) of wind-driven generator (1) is locked on the running shaft (7) of mounting base (3), and wind-driven generator (1) can be that the strong point is rotated with running shaft (7); Be positioned at the hoist cable of part locking more than one or one more than the running shaft (7), perhaps fixing strut more than one or at tower bar (5); Hoist cable or strut are fixed on to be installed on the ship (2); Ship (2) upward pulling hoist cable or promotion strut (9) are being installed; Tower bar (5) will serve as that the rotation strong point is rotated with running shaft (7); Rotate to after tower bar (5) is in upright state, unclamp the locking point of tower bar (5) on running shaft (7), wind-driven generator (1) is descended; The bottom of tower bar (5) is socketed in marine foundation pile (4) and goes up and be fixed on the marine foundation pile (4), thereby makes wind-driven generator (1) quick mounting at sea on the foundation pile (4).

2. the afloat method for rapidly mounting of wind-driven generator according to claim 1; It is characterized in that: being connected and can stretching between said marine fixed support (14) and the rigid bearing (6), rigid bearing (6) connects the running shaft (7) of the inside and the tower bar (5) that is fixed on together descends when shrinking.

3. the afloat method for rapidly mounting of wind-driven generator according to claim 2; It is characterized in that: the up-down of said rigid bearing (6) is through the flexible realization of the hydraulic rod that connects marine fixed support (14), and hydraulic rod connects rigid bearing (6) and marine fixed support (14).

4. the afloat method for rapidly mounting of wind-driven generator according to claim 1 is characterized in that: link to each other through connecting rod (15) with installing between the ship (2) at said mounting base (3); Connecting rod (15) and mounting base (3) and installing connects being connected through hinge between the ship (2).

5. the afloat method for rapidly mounting of wind-driven generator according to claim 1; It is characterized in that: said strut (9) is a hydraulic rod, and strut (9) links to each other with tower bar (5), links to each other with installation ship (2) through ship immovable point (10) is installed through tower bar immovable point (8); The mode that links to each other connects through hinge.

6. the afloat method for rapidly mounting of wind-driven generator according to claim 1; It is characterized in that: at the middle part of running shaft (7) is shroud ring (20); Shroud ring (20) is fixed into a circular retaining ring by fixed packet sheet (22) and Movable swaddling cloth (21) through screw (23), (24), and the bottom of tower bar (5) is fixed therein.

7. the afloat method for rapidly mounting of wind-driven generator according to claim 1; It is characterized in that: in installation process below wind-driven generator (1) socket reinforcing bracket (30), said reinforcing bracket (30) and tower bar reinforced seat (31), motor gear box bracket (32) and paddle support (33), (34) are formed; Tower bar reinforced seat (31) protection tower bar (5) can not fractureed in the process of erectting; The weight of motor gearbox (12) is born in motor gear box bracket (32) protection in the setting process, alleviate the load-bearing of tower bar (5) in the setting process is installed; Paddle support (33) and (34) are used for protecting paddle (11) can not rotate and prevent to fracture in the setting process.

8. the afloat method for rapidly mounting of wind-driven generator according to claim 1 is characterized in that: when adopting hoist cable pulling wind-driven generator (1), on installation ship (2), suspension rod has been installed, hoist cable is fixed on the top of suspension rod.

9. the afloat method for rapidly mounting of wind-driven generator according to claim 8; It is characterized in that: go up reverse in addition fixing hoist cable more than one or at wind-driven generator (1); Hoist cable keeps wind-driven generator (1) when lifting, to be in steady state from reverse pulling wind-driven generator (1); When the hoist cable of employing more than two or two spurs wind-driven generator (1), be circular array between the hoist cable.

10. the afloat method for rapidly mounting of wind-driven generator according to claim 1; It is characterized in that: when adopting two struts (9) to promote wind-driven generator (1); The upper end of two struts (9) is fixed on the tower bar (5) of wind-driven generator (1), and the lower end is man type and separately is fixed on the installation ship (2).